STOCKHOLDERS’ EQUITY - Schedule of Common Stock Reserved for Future Issuances (Details)	Mar. 31, 2025 shares
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	724,546,412
Private Placement Warrants to purchase common stock
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	44,350,000
Stock options outstanding
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	26,448,176
Restricted stock units outstanding
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	95,006,297
Shares available for future grants under equity plans
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	36,653,536
If-converted common shares from 2026 Notes
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	36,737,785
If-converted common shares from Series A redeemable convertible preferred stock
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	304,262,653
If-converted common shares from Series B redeemable convertible preferred stock
Class of Stock [Line Items]
Total shares of common stock reserved (in shares)	181,087,965